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one item on a circuit. example a light bulb or a motor

electric current

comes from an energy source

energy sources

d-cell battery,a solar cell,or a wall socket

an incomplete circuit

one d battery one wire and a light bulb

complete circuit or a closed circuit

one wire connects the base lightbulb to one end of the D-cell. the second wire connects the metal casing of the light bulb to the other end of the D-cell. this result in a bright shining lightbulb

contact points

the place on a D-cell and lightbulb were wires touch the component are called contact point.

incomplete circuit

a circuit with a break or an open circuit

parallel circuit

bright light

parallel circuit

each light bulb has its own pathway to the source of electricity

parallel circuit

the energy will drain much faster when it supplies energy to two light bulbs

series circuit

dim lights

series circuit

the current flows from first lightbulb then goes second lightbulb. sharing the cell or the source of electricity

series circuit

cell last longer


control flow of electricity

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